Shannon

if you create the whole page as a single image then it makes it very
difficult to edit.

Create your whole page in powerpoint

then just 'do a screengrab' and paste it back it

further reading...
Password protect a presentation
http://www.pptfaq.com/FAQ00038.htm

cheers
TAJ Simmons
microsoft powerpoint mvp

awesome - powerpoint backgrounds,
http://www.awesomebackgrounds.com
free powerpoint templates, tutorials, hints, tips and more...